package com.hxc.common.utils;

import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class SpringUtils implements ApplicationContextAware {
    private static ApplicationContext applicationContext = null;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext){
        if(null == SpringUtils.applicationContext){
            SpringUtils.applicationContext = applicationContext;
        }
    }

    //获取applicationContext
    public static ApplicationContext getApplicationContext(){
        return applicationContext;
    }

    //通过name获取 bean
    public static Object getBean(String name){
        return getApplicationContext().getBean(name);
    }

    //通过class获取 bean
    public static <T> T getBean(Class<T> clazz){
        return getApplicationContext().getBean(clazz);
    }

    //通过name，以及Class返回指定的bean
    public static <T> T getBean(String name, Class<T> clazz){
        return getApplicationContext().getBean(name, clazz);
    }
}
